Transcript for Florida Voters' Last Minute Appeal; Legal Challenge to Keep Polls Open

Both campaigns urging supporters to vote before tuesday and the lines have been extraordinary across this country. More than 27 million americans have cast their votes in 34 states and the district of columbia already. The wait so long in florida, tonight, the fight to keep some of that early voting open longer. Abc's cecilia vega is watching the lines in tampa tonight. Reporter: Chaos in miami. So many voters showed up today, overwhelmed poll workers briefly locked polling place doors. All weekend long, the lines to vote early went on and on. For some, the wait was six hours. This is ridiculous. Reporter: New changes to voting law cut down early voting by one day. Making saturday the last day to cast an early ballot. The republican governor refused an extension and, in the middle of the night, democrats filed an emergency lawsuit. A judge ordered one polling place near orlando to stay open sunday after it shut down early because of a bomb threat. And polling places in a handful of other counties where the lines were especially long opened sunday so voters could cast absentee ballots in person. And this is one of those polling places outside of st. Petersburg where you can still cast an early ballot. President obama won narrowly here in florida four years ago. So far, democrats have outpaced republicans in turning those early ballots in. David, both sides now waging a fierce battle in these final few hours. A battle already, cecilia vega in florida, where she'll be on election night.

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